How many movies have Bea Fiedler and Gisela Haller collaborated on?

They have worked on 4 movies together! Their first movie together was Popcorn and Ice Cream (1978) while their highest rated movie together was Three Swedes on the Reeperbahn (1980). They have not worked together since Three Swedes on the Reeperbahn (1980). They are most known for their comedy films together.